public VariantBase::access(AccountInterface $account = NULL)
Determines if this display variant is accessible.
\Drupal\Core\Session\AccountInterface $account: (optional) The user for which to check access, or NULL to check access for the current user. Defaults to NULL.
bool TRUE if this display variant is accessible, FALSE otherwise.
Overrides VariantInterface::access
public function access(AccountInterface $account = NULL) { return TRUE; }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Display!VariantBase.php/function/VariantBase::access/8.1.x